Associations, organizations, and societies specializing in some aspect of music. Most music organizations are non-profit in status, and all have regular meetings and / or conferences and a board of directors who oversee operations.

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Official home of CASA - the Contemporary A Cappella Society of America. A source for news and information related to all-vocal music. Also features events, groups, albums, tips and advice, reviews, classifieds, web directory, and song arrangements library.

A nonprofit association that now has members across the United States and Canada, including teachers, performers, songwriters, radio hosts, and parents who care about the quality and content of children's music. Includes event calendar, the magic penny award, and resources.